To complete this project, we add backlight control and temperature-sensing functionality to the clock we built in the…
To complete this project, we add backlight control and temperature-sensing functionality to the clock we built in the previous installments.
We continue our design of a clock that uses analog ammeters to display time and temperature. In this installment, we…
We continue our design of a clock that uses analog ammeters to display time and temperature. In this installment, we examine the second of the two circuits that enable the timekeeping function.
Learn the design steps for creating your own custom inclinometer PCB.
Learn the design steps for creating your own custom inclinometer PCB.
This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart…
This article describes an Ethernet-connected subsystem of a larger modular sensor system designed for industrial or smart home sensing and monitoring. We will discuss a custom sensor subsystem developed for this application.
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.
The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide…
The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.
This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.
This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you…
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look…
In this article we’ll discuss the design for a custom microcontroller programming/debug/extension PCB and we’ll look at an example project.
In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.
In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.
In this article, we’ll discuss the hardware design for a robotics PCB, and we’ll write firmware for controlling two DC motors.
Use Adafruit's Circuit Playground to make your own fruity (drum) loops!
Use Adafruit's Circuit Playground to make your own fruity (drum) loops!
In this project, we'll build circuits for programming two different Atmel microcontrollers and we'll discuss the…
In this project, we'll build circuits for programming two different Atmel microcontrollers and we'll discuss the necessary software setup.
Be the spectacle at this summer's music festival with these sound activated rave goggles!
Be the spectacle at this summer's music festival with these sound activated rave goggles!
Reduce the cost of using an Arduino UNO by 50% or more by building your own device with comparable functionality.
Reduce the cost of using an Arduino UNO by 50% or more by building your own device with comparable functionality.
Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver…
Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak…
Nowhere to hide presents this holiday season? No problem! This alarm will sound anytime a loved one tries to get a sneak peek at his or her surprise.
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t…
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t covered in the previous article.
In this article we’ll take a close look at two sections of the custom-designed control board for the C-BISCUIT demo bot.
In this article we’ll take a close look at two sections of the custom-designed control board for the C-BISCUIT demo bot.
Learn how to use photolithography to shrink a design by as much as a factor of 40.
Learn how to use photolithography to shrink a design by as much as a factor of 40.
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